.bgc {
  background-color: #222d32;
}
.test {
  width: 200px;
  height: 50px;
  background-color: pink;
}
.mt {
  margin-top: 150px;
}
.lt-aside {
  width: 180px;
  height: 100%;
  background-color: #222d32;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 2;
}
.lt-aside .lt-title a {
  text-decoration: none;
  display: block;
  line-height: 50px;
  background-color: #3c8dbc;
  color: #fff;
  font-size: 24px;
}
.lt-aside .lt-tu a {
  display: block;
}
.lt-aside .lt-tu a img {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  margin-top: 50px;
}
.lt-aside .lt-tu p {
  margin-top: 20px;
  margin-bottom: 20px;
  color: #fff;
  font-size: 18px;
}
.lt-aside .lt-list li {
  list-style: none;
}
.lt-aside .lt-list li a {
  text-decoration: none;
  color: #fff;
  height: 40px;
  line-height: 40px;
}
.lt-aside .lt-list li ul {
  padding-left: 20px;
  display: none;
}
.lt-aside .lt-list li ul li a {
  text-decoration: none;
}
.lt-main {
  width: 100%;
  height: 1000px;
  padding-left: 195px;
  margin-top: 80px;
  padding-right: 15px;
}
.lt-top {
  width: 100%;
  height: 50px;
  background-color: #3c8dbc;
  position: fixed;
  top: 0;
  left: 0px;
}
.lt-top a {
  line-height: 50px;
  font-size: 18px;
  color: #fff;
}
.pd-180 {
  padding-left: 180px;
}
.lf-180 {
  left: -180px;
}
.pd {
  padding-left: 15px;
}
.ts {
  transition: all 0.5s;
}
.mt-20 {
  margin-top: 20px;
}
th {
  text-align: center;
}
